Can anybody tell me how to get and use the climate properties/values if a zone as trigger and/or as a condition in a(n advanced) flow ? I’m talking about Temperature & Humidity if available through sensors in a zone.
And please 
if possible not through Homey script. (But if there’s really nothing as alternative then please the whole script with much commentary/explenation in the code. )
Thanks
How to use this values if temperature and humidity as trigger or condition in a(n advanced) flow ??
You can’t use those values of the entire Zone. You need to use them based on the individual devices. You can use the “Temperature changed” card from all of the devices, and then add a Logic card:
Calculate “average temperature” as {{ (temp1+temp2+temp3)/3 }}
You can insert the temp1, temp2, temp3 as Tags. You can use the same method for humidity.
You can then use the variable “average temperature” changed Flow card to use the average temperature in your Flows
Isn’t a pity/shane to having these zone (temperature & humidity) values somewhere (stored) deep within Homey (pro) but not able to use them (only see/view them) ? ? 
That with the own/manual average calculations of these variables/values I already knew and using them in a few flows of my own. Even though thanks fir the effort and reply.
I think the mobile app also calculates them in the same way (client-side) as I showed in the Flow
Are you really sure? Because it seems like you can use the zones, and from what I can see there is actually a sensor card per zone as shown below (sorry for the Swedish).
AFAIK that’s for when a value of any sensor has changed, and it provides the temperature for that specific sensor that has changed.
You are correct when checking the card more closely!
